US7036985B2 - X-ray positioning device - Google Patents
X-ray positioning device Download PDFInfo
- Publication number
- US7036985B2 US7036985B2 US10/786,193 US78619304A US7036985B2 US 7036985 B2 US7036985 B2 US 7036985B2 US 78619304 A US78619304 A US 78619304A US 7036985 B2 US7036985 B2 US 7036985B2
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- US
- United States
- Prior art keywords
- image receptor
- positioning device
- bar
- ray
- dental
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related, expires
Links
- 230000000717 retained effect Effects 0.000 claims abstract description 5
- 238000007373 indentation Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 210000000214 mouth Anatomy 0.000 description 14
- 238000000034 method Methods 0.000 description 8
- 238000003745 diagnosis Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 241000282465 Canis Species 0.000 description 2
- 208000028911 Temporomandibular Joint disease Diseases 0.000 description 2
- 206010043220 Temporomandibular joint syndrome Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000004283 incisor Anatomy 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 210000004763 bicuspid Anatomy 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B42/00—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means
- G03B42/02—Obtaining records using waves other than optical waves; Visualisation of such records by using optical means using X-rays
- G03B42/04—Holders for X-ray films
- G03B42/042—Holders for X-ray films for dental applications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
-
- A61B6/51—
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- A61B6/512—
Definitions
- the present invention is in the field of x-ray positioning devices and film holders used to produce radiographs. More particularly, the invention relates to x-ray positioning devices having some degree of adjustability.
- Dental x-rays are commonly used in the field of dentistry for diagnosis and treatment of the oral cavity. X-rays are able to portray the structural integrity of teeth and supporting tissues if exposed correctly. It is therefore important that x-rays are correctly exposed so as to ensure that a patient receives proper diagnosis and treatment. Proper exposure can be difficult to achieve, however, because of distortions that can occur during exposure.
- Bite-wings plastic flaps, known as “bite-wings,” that are attached to x-ray film packets.
- Bite wings are flaps that contain adhesive and are capable of attaching to an x-ray film packet. This technique requires the practitioner to attach a bite wing to the back of the x-ray film packet and then place the film packet in the desired location in a patient's mouth. The patient then bites down on the flap and clenches it between the patient's teeth, thereby holding the film packet in the appropriate position.
- Extension Cone Paralleling Another technique and device used to take x-rays is known as Extension Cone Paralleling (XCP).
- XCP may be capable of holding an x-ray film in a patient's mouth, XCP does not allow a dental practitioner to determine the exact angulation of the x-ray, which is important when x-rays are retaken.
- the present invention relates generally to an x-ray positioning device that allows a dental practitioner to adjust the x-ray beam horizontally and vertically relative to the center of the radiographic film with a great degree of precision.
- the device includes a frame, a bite block connected to the frame, an aiming ring connected to the frame, and an image receptor holder that is also connected to the frame.
- the aiming ring and image receptor holder are adjustable so as to allow the x-ray beam directed through the aiming ring to be adjustable horizontally and vertically relative to the center of an image receptor (e.g. a radiographic film packet) retained by the image receptor holder.
- an image receptor e.g. a radiographic film packet
- the frame is comprised of a first bar, a second bar, an arm, a first structural member, and a second structural member.
- One end of the first bar connects the image receptor holder to the frame, while the bite block is also attached to and slidably adjustable along the first bar of the frame.
- An opposite end of the first bar is connected to the first structural member, which is pivotally attached to a first end of the second structural member.
- the second bar is attached to the opposite end of the second structural member.
- the second structural member is attached to the middle portion of the second bar, allowing one end of the second bar to extend unattached, while the opposite end of the second bar is connected to one end of the arm of the frame.
- the aiming ring is attached to and slidably adjustable near the second end of the arm.
- the first bar on which the bite block is slidably adjustable may include markings.
- the markings may comprise indentations.
- the markings allow precise measurement of the position of the bite block.
- the bite block may be interchangeable, such that variously configured bite blocks may be interchanged with each other.
- the bite block may be formed of a material capable of receiving an impression of a patient's teeth, for example, silicone. The impression of a patient's teeth aids the dental practitioner in configuring the bite block as originally configured when it is necessary to retake x-rays.
- the aiming ring is connected to the arm of the frame, and is slidably adjustable along the arm. According to one embodiment, a portion of the arm is curved, with the aiming ring being slidably adjustable along the curved portion of the arm.
- the aiming ring is configured so as to receive and guide an x-ray tube through which the x-ray beam is directed towards the image receptor.
- the image receptor holder may be a unshaped clip, which is attached to the first end of the first bar of the frame.
- An image receptor for example, a radiographic film packet, may be inserted and retained within the u-shaped clip of the image receptor holder.
- the first bar and image receptor holder form an assembly that is connected to the first structural member of the frame. Because the first structural member is pivotally connected to the second structural member, ultimately, the image receptor may be rotated, as desired.
- the second structural member includes markings to measure the rotation of the image receptor. Rotation of the image receptor adjusts the vertical positioning so that the x-ray beam directed through the aiming ring meets the image receptor. The markings on the second structural member allow the dental practitioner to measure and record the rotation of the image receptor when it is necessary to retake x-rays.
- FIG. 1 is a perspective view of an exemplary x-ray positioning device
- FIG. 2 is a top view of the x-ray positioning device depicted in FIG. 1 ;
- FIGS. 3A–3C illustrate various embodiments of exemplary bite blocks
- FIGS. 4A–4B illustrate exemplary placements of the x-ray positioning device for taking patient x-rays.
- the present invention is directed towards an x-ray positioning device that allows a user to take precise radiographic exposures in all areas of a patient's mouth.
- the device is designed to allow various components of the x-ray device to be adjustable so that additional x-rays may be precisely repeated in the same location using the same angulations.
- FIGS. 1 and 2 illustrate an exemplary embodiment of an x-ray positioning device.
- the device includes a frame, a bite block, an image receptor holder, and an aiming ring.
- x-ray includes radiographs and other imaging technologies known and used in the art.
- FIG. 1 is a perspective view of an exemplary x-ray positioning device 100 .
- the device 100 includes a frame 102 , a bite block 104 , an aiming ring 106 , and an image receptor holder 108 .
- X-ray positioning device 100 is designed to be adjustable so as to allow a user to take x-rays in the precise same configuration as earlier x-rays, thereby creating identical repeated radiographs.
- Frame 102 is the main supporting structure of x-ray positioning device 100 and is designed to provide support to the other components of the device 100 .
- frame 102 includes a first bar 110 , a second bar 112 , an arm 114 , a first structural member 116 and a second structural member 118 .
- the first and second structural members 116 and 118 may comprise the main supporting structure of the frame 102 .
- Other frame members are attached to these structural members, from which all the components of x-ray positioning device 100 may be supported.
- the second structural member 118 includes markings 120 so that a user can precisely measure the rotation of the first bar 110 and attached image receptor holder 108 .
- the structural members 116 and 118 are depicted in FIG. 1 as being of a particular shape, any suitable shape and configuration may be used.
- first bar 110 is part of the frame structure 102 that supports bite block 104 and image receptor holder 108 .
- One end of first bar 110 connects to first structural member 116 while the opposite end of first bar 110 connects to image receptor holder 108 .
- the first bar 110 may comprise a single piece, or as illustrated, it may comprise a plurality of rods.
- the second bar 112 is attached to the second structural member 118 .
- the second structural member 118 is attached to the middle portion of the second bar 112 , allowing one end of the second bar 112 to extend unattached, while the opposite end of the second bar 112 is connected to the arm 114 .
- Arm 114 is part of the frame structure 102 , and supports aiming ring 106 .
- One end of arm 114 is connected perpendicularly to second rod 112 , while the opposite end extends outward and is configured for receiving the aiming ring 106 .
- the free end of arm 114 has a curved portion along which aiming ring 106 can be adjusted.
- Arm 114 may also contain measurement markings 122 along the curved portion so as to allow a user to record the position of the aiming ring 106 during the x-ray.
- Markings 122 may also include indentations formed in the arm 114 . Indentations allow the aiming ring 106 to more easily remain in the position selected.
- Bite block 104 is the structure that the patient bites on with his or her teeth, to secure and hold the x-ray positioning device 100 in the appropriate configuration relative to the patient's mouth while x-rays are taken.
- Bite block 104 is connected to first bar 110 and is slidably adjustable along the bar 110 .
- First bar 110 includes markings 124 to facilitate measuring the position of bite block 104 .
- Markings 124 may also include indentations formed in the bar 110 . Indentations allow the bite block 104 to more easily remain in the position selected. Recording this measurement along with which of the patient's teeth contact the bite block 104 allows the bite block 104 to be placed in the same location if additional identical x-rays are to be taken at a later time.
- FIGS. 3A–3C illustrate alternative exemplary embodiments of a bite block.
- FIG. 3A illustrates a trapezoidal bite block 104 a . Such a bite block is preferably used in taking x-rays of the molars and biscuspids.
- FIG. 3B illustrates a circular bite block 104 b . Such a bite block is preferably used in taking x-rays of the incisors and canines.
- FIG. 3C illustrates a third bite block embodiment having an I-beam configuration that is also preferably used in taking x-rays of the molars and bicuspids.
- the bite blocks may be formed of a material capable of receiving and holding an impression of a bite, for example silicone. Such a characteristic more easily facilitates repeated x-rays at a later time.
- bite block types and configurations can be used without departing from the scope and spirit of the invention.
- Various shapes, sizes, and materials may be used so long as the bite block is able to be placed in a patient's mouth as intended.
- Such bite blocks may be specifically configured for use in specific areas of the mouth, configured for use with patients having a small mouth, temporomandibular joint disorder (TMJ), or children's mouths.
- TMJ temporomandibular joint disorder
- the bite block 104 is preferably interchangeable. According to one embodiment, replacement of the bite block 104 may require at least partial disassembly of the remainder of the x-ray positioning device 100 , while according to another embodiment the bite block 104 may be removed from the x-ray positioning device 100 without disassembly of the remainder of the device 100 .
- Image receptor holder 108 is configured to retain an image receptor 126 , such as standard x-ray film, a digital x-ray sensor, etc. Image receptor holder 108 is attached to one end of first bar 110 .
- image receptor 126 such as standard x-ray film, a digital x-ray sensor, etc.
- Image receptor holder 108 is attached to one end of first bar 110 .
- FIG. 1 includes a “clip-like” holder, as will be appreciated by those skilled in the art, a variety of types and configurations of an image receptor holder may be utilized without departing from the scope and spirit of the invention.
- Aiming ring 106 guides the placement of the tube of the x-ray machine. Aiming ring 106 helps align the x-ray tube in the correct position and angulation outside of the patient's mouth so that a proper radiograph can be taken. Aiming ring 106 is connected to arm 114 and is slidably adjustable along the curved portion of arm 114 . Because both the aiming ring 106 and the image receptor holder assembly (including image receptor 126 , image receptor holder 108 , and first bar 110 ) are independently adjustable, the dental practitioner is able to adjust horizontally and vertically relative to the center of the image receptor 126 .
- Adjustment of the image receptor holder assembly adjusts the incidence of the x-ray source vertically relative to the center of the image receptor 126 .
- Adjustment of the aiming ring 106 adjusts the incidence of the x-ray source horizontally relative to the center of the image receptor 126 .
- aiming ring 106 is depicted in FIG. 1 as being circular, a variety of shapes, such as an oval or polygon, may alternatively be used. For practical purposes, most aiming rings will be shaped according to the shape of the x-ray tube so as to accurately guide the tube to the desired position. However, any shape or configuration may be used as long as the aiming ring is capable of providing accurate guidance to the x-ray tube.
- the x-ray positioning device 100 may be used to take and retake x-rays having the same positioning.
- the dental practitioner first determines what teeth are to be x-rayed.
- X-ray positioning device 100 is then placed in the patient's mouth with the patient biting down on bite block 104 . Examples of two different configurations are depicted in FIGS. 4A–4B .
- FIG. 4A illustrates use of device 100 to take an x-ray of a patient's lower molars.
- Bite block 104 a is shown in use in FIG. 4A .
- FIG. 4B illustrates use of device 100 to take an x-ray of a patient's upper canines and incisors.
- Bite block 104 b is shown in use in FIG. 4B .
- the dental practitioner instructs the patient 128 to bite down on bite block 104 a or 104 b to stabilize the device 100 in the patient's mouth.
- the dental practitioner is able to record the position of the bite block based on markings 124 located on first bar 110 and which teeth the patient uses to bite down on bite block 104 .
- the dental practitioner By adjusting the orientation of the image receptor holder assembly, the dental practitioner adjusts the incidence of the x-ray source vertically relative to the center of the image receptor 126 . Once the desired adjustment has been made, the dental practitioner may record the setting by referring to the markings on the second structural member 118 .
- the dental practitioner may also adjust the incidence of the x-ray source horizontally relative to the center of the image receptor 126 . This is accomplished by adjusting the position of the aiming ring 106 along the curved portion of the arm 114 . Once the desired adjustment has been made, the dental practitioner may record the setting by referring to the markings 122 on the arm 114 .
Abstract
Description
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/786,193 US7036985B2 (en) | 2004-02-25 | 2004-02-25 | X-ray positioning device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US10/786,193 US7036985B2 (en) | 2004-02-25 | 2004-02-25 | X-ray positioning device |
Publications (2)
Publication Number | Publication Date |
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US20050185767A1 US20050185767A1 (en) | 2005-08-25 |
US7036985B2 true US7036985B2 (en) | 2006-05-02 |
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Family Applications (1)
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US10/786,193 Expired - Fee Related US7036985B2 (en) | 2004-02-25 | 2004-02-25 | X-ray positioning device |
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Cited By (13)
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---|---|---|---|---|
US20070032386A1 (en) * | 2002-08-26 | 2007-02-08 | Carlos Abad | Internal Breaker for Oilfield Treatments |
WO2009046290A2 (en) * | 2007-10-04 | 2009-04-09 | Interactive Diagnostic Imaging, Inc. | System and method for capturing medical images |
US7559693B2 (en) | 2006-12-14 | 2009-07-14 | Siemens Medical Solutions Usa, Inc. | Method and apparatus for x-ray alignment |
US20100102241A1 (en) * | 2008-10-27 | 2010-04-29 | Uwe Zeller | System and method of x-ray detection with a sensor |
US20110013746A1 (en) * | 2008-10-27 | 2011-01-20 | Imaging Sciences International Llc | Triggering of intraoral x-ray sensor using pixel array sub-sampling |
US20110013745A1 (en) * | 2009-07-17 | 2011-01-20 | Imaging Sciences International Llc | Intraoral x-ray sensor with embedded standard computer interface |
US20110164733A1 (en) * | 2006-05-30 | 2011-07-07 | Steward Jr Curtis L | Adjustable dental x-ray image media holder |
US8481462B2 (en) | 2006-09-18 | 2013-07-09 | Schlumberger Technology Corporation | Oxidative internal breaker system with breaking activators for viscoelastic surfactant fluids |
US20140079190A1 (en) * | 2007-02-22 | 2014-03-20 | Rene G. Laude | Dental compositions comprising bisacrylamides and use thereof |
US20140270068A1 (en) * | 2013-03-15 | 2014-09-18 | Zuma Dental, LLC | Imaging system and method |
US9284482B2 (en) | 2006-09-18 | 2016-03-15 | Schlumberger Technology Corporation | Acidic internal breaker for viscoelastic surfactant fluids in brine |
US20170360384A1 (en) * | 2015-02-27 | 2017-12-21 | Trophy | Bite block for cbct imaging device |
US10506992B1 (en) * | 2018-10-16 | 2019-12-17 | Shayda Cullen | Digital dental x-ray sensor device having a rounded housing |
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US20080298543A1 (en) * | 2005-02-23 | 2008-12-04 | Razzano Michael R | Image capture device and methods |
WO2007026189A1 (en) * | 2005-08-31 | 2007-03-08 | Trevor Linton Lamb | Imaging apparatus positioning device |
US7695191B1 (en) * | 2005-12-05 | 2010-04-13 | Buchanan L Stephen | X-ray imaging and positioner |
US7959354B2 (en) * | 2007-05-29 | 2011-06-14 | Dentsply International, Inc. | Adjustable dental x-ray image media holder |
KR100920848B1 (en) * | 2008-11-17 | 2009-10-08 | 최영진 | Film holder with angle indicator for intraoral radiography and film supporting part of the film holder |
DE102009017905A1 (en) * | 2009-04-17 | 2010-11-04 | Johannes Gutenberg-Universität Mainz | Holding device, bite element and system for intraoral radiography |
US8057096B2 (en) * | 2009-07-08 | 2011-11-15 | Churchill Scott P | Dental radiograph sensor positioning device |
KR101098860B1 (en) | 2010-01-11 | 2011-12-26 | 최영진 | Film holder with angle indicator for intraoral radiography and disposable part of the film holder |
US20180279976A1 (en) * | 2017-02-22 | 2018-10-04 | Todd C. Miller | Intraoral sensor positioning system |
DE102017206321B4 (en) * | 2017-04-12 | 2021-08-19 | Gerald König | Holding device |
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